calculating machine



1963 H. J. CHALL ETAL 3,108,745

CALCULATING MACHINE Filed June 14, 1961 51 SheetsSheet l Oct. 29, 1963H. J. CHALL ETAL CALCULATING MACHINE 51 Sheets-Sheet 2 wgk, 5

Filed June 14, 1961 '32 L1 Layla? Oct. 29, 1963 H. J. CHALL ETALCALCULATING MACHINE 51 Sheets-Sheet 3 Filed June 14, 1961 H. J. CHALLETAL CALCULATING MACHINE Oct. 29, 1963 51 Sheets-Sheet 4 Filed June 14,1961 Iii Oct. 29, 1963 H. J. CHALL ETAL CALCULATING MACHINE 51Sheets-Sheet 5 Filed June 14, 1961 Oct-29, 1953 H. J. CHALL ETAL 3,

CALCULATING MACHINE Filed June 14, 1961 51 Sheets-Sheet 6 P I [El ElOct. 29, 1963 H. J. CHALL ETAL CALCULATING MACHINE 51 Sheets-Sheet 7Filed June 14, 1961 Oct. 29, 1963 H. J. CHALL ETAL CALCULATING MACHINEFiled. June 14 51 Sheets-Sheet 8 min m-Him! Oct. 29, 1963 Filed June 14,1961 51 Sheets-Sheet 9 Oct. 29, 1963 Filed June 14, 1961 H. J. CHALLETAL CALCULATING MACHINE 51 Sheets-Sheet 10 E I E E III Oct. 29, 1963 H.J. CHALL ETAL CALCULATING MACHINE 51 Sheets-Sheet 11 Filed June 14, 1961Oct. 29, 1963 J. CHALL ETAL 3,108,745

CALCULATING MACHINE Filed June 14, 1961 51 Sheets-Sheet 12 Q 1963 H. J.CHALL ETAL 3,108,745

CALCULATING MACHINE Filed June 14, 1961 51 Sheets-Sheet l5 Oct. 29, 1963H. J. CHALL ETAL 3,108,745

CALCULATING MACHINE Filed June 14, 1961 51 Sheets-Sheet 14 1963 H. J.CHALL ETAL CALCULATING MACHINE 51 Sheets-Sheet 15 Filed June 14, 1961Oct. 29, 1963 H. J. CHALL ETAL CALCULATING MACHINE 51 Sheets-Sheet 16Filed June 14, 1961 m8 @5 Q a 0% 'Oct. 29, 1963 H. J. CHALL ETI'AL3,103,745

CALCULATING MACHINE Filed June 14, 1961 51 Sheets-Sheet 17 2& Sh w H-n lm-Hhi rQ Oct. 29, 1963 H. J. CHALL ETAL CALCULATING MACHINE 51Sheets-Sheet 18 Filed June 14, 1961 m m m-Hl iw Oct. 29, 1963 H. J.CHALL ETAL CALCULATING MACHINE Filed June 14, 1961 51 Sheets-Sheet 19QSQa 3 5 Oct. 29, 1963 H. J. CHALL ETAL 3,108,745

CALCULATING MACHINE Filed June 14, 1961 51 SheetsSheet 2O

5. IN COMBINATION IN A CALCULATING MACHINE, AN ACCUMULATOR, AN ACTUATOR,INTERREGISTER-TRANSFER GEARS MOVABLE FOR CONNECTING SAID ACTUATOR TOSAID ACCUMULATOR SPRING MEANS FOR MOVING SAID GEARS TO CONNECTINGPOSITION, CAM MEANS FOR MOVING SAID GEARS TO DISCONNECTING POSITION, ANDAN INTERREGISTER-TRANSFER CONTROL MEMBER FOR NORMALLY BLOCKING SAIDGEARS IN SAID DISCONNECTING POSITION, SAID TRANSFER CONTROL MEMBER BEINGSHIFTABLE IN A SHINGLE DIRECTION TO TWO SEPARATE OPERATED POSITIONS FORUNBLOCKING SAID GEARS, SAID INTERREGISTER-TRANSFER GEARS INCLUDINGREVERSING GEARS SHIFTABLE FROM A NORMAL POSITION TO A REVERSING POSITIONFOR REVERSING THE SIGN CHARACTER OF THE CONNECTION BETWEEN SAID ACTUATORAND ACCUMULATOR, SAID CONTROL MEMBER BEING OPERABLE IN ONE OF SAID TWOOPERATED POSITIONS FOR CAUSING SHIFTING OF SAID REVERSING GEARS